"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Decayed grass blades and stems—known as thatch—can prevent your lawn from absorbing the water and oxygen ...

A layer of dead organic material on your lawn, called thatch, is great in moderation. A thin layer of thatch acts as a buffer that keeps the soil moist, regulates its temperature, and adds nutrients ...

Which lawn dethatcher is best? If you want to keep your lawn looking healthy, dethatching is a must. A small layer of thatch in your yard can be beneficial. Still, when you have 3/4 inch of thatch or ...